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In the ball bearing and high precision bearing ranges, the high precision angular contact ball bearing solves the maximum reliability constraints with increased performance in terms of rigidity, speed, capacity and precision. This bearing is recommended for demanding applications in terms of precision such as machine tool spindles. NTN is getting sub-ranges dedicated to requirements of speed, sealing, specific greasing, etc.
Log in To add this product to your basket Documentation Product information PRODUCT DEFINITION Brand SNR d - Internal diameter 35 mm D - External diameter 72 mm B - Bearing/Inner ring width 17 mm d1 - External diameter inner ring 47,4 mm D1 - Inner diameter outer ring 60,55 mm D2 - Inner diameter outer ring 66,21 mm a - Charge load application point 16 mm α - Contact angle 15 ° rs - Min fillet radius 2 mm r1s - Min fillet radius 1 mm Precision class P4 Mass 0,29 kg
PRODUCT PERFORMANCE C - Dynamic load 32,1 kN C0 - Static load 21,6 kN Cu - Fatigue limit load 1,16 kN f0 - Coefficient 13.946 Axial displacement K Factor 1.42 Preload level 8 Preload value 0,53 kN Axial rigidity 61 N/µm Radial rigidity 335 N/µm Tmin - Min operating temperature -30 °C Tmax - Max operating temperature 120 °C N lim - Oil lubrication limit speed 31000 tr/min N lim - Grease lubrication limit speed 19500 tr/min
BEARING FREQUENCIES BPFO - Over rolling frequency on outer ring (60 rpm) 5,196 Hz BPFI - Over rolling frequency on inner (60 rpm) 7,804 Hz BSF - Over rolling frequency on rolling element (60 rpm) 4,621 Hz BRF - Rotational frequency – rolling element (60 rpm) 2,311 Hz FTF - Rotational frequency - cage (60 rpm) 0,4 Hz
ABUTMENT da min - Min shoulder diameter IR 42 mm db min - Min IR shoulder diameter 42 mm Da max - Max shoulder diameter OR 65 mm Db max - Max OR shoulder diameter 65 mm r1a - Max fillet radius 1 mm ra max - Max shaft & housing fillet radius 2 mm
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